What do a sunflower and a lion living 50 years ago have in common? A. the both got their energy from plants B. they contained the same amount of energy C. they may have shared some of the same matter D. They both got their energy from the sun

A. they both got there energy from plants

Explanation:

l don't know

B. They contained the same amount of energy

Explanation:

the corpus luteum secretes estrogens and progesterone. the latter hormone causes changes in the uterus that make it more suitable for implantation of the fertilized ovum and the nourishment of the embryo. if the egg is not fertilized, the corpus luteum becomes inactive after 10–14 days, and menstruation occurs.

i hope this : )